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HD74LV244ARP Datasheet

  • HD74LV244ARP

  • BUFFER/DRIVER|DUAL|4-BIT|LV-CMOS|SOP|20PIN|PLASTIC

  • 15頁

  • ETC

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HD74LV244A
Octal Buffers / Drivers with 3-state Outputs
ADE-205-246 (Z)
1st Edition
March 1999
Description
The HD74LV244A has eight line drivers with three-state outputs in a 20-pin package. Four non-inverters
are included in one circuit. Each circuit can be independently controlled by the enable signal 1OE or 2OE,
which enables outputs when receiving a low-level signal. Low-voltage operation is suitable for battery-
powered products (e.g., notebook computers), and the low-power consumption extends the battery life.
Features
鈥?/div>
V
CC
= 2.0 V to 5.5 V operation
鈥?/div>
All inputs V
IH
(Max.) = 5.5 V (@V
CC
= 0 V to 5.5 V)
鈥?/div>
All outputs V
O
(Max.) = 5.5 V (@V
CC
= 0 V)
鈥?/div>
Typical V
OL
ground bounce < 0.8 V (@V
CC
= 3.3 V, Ta = 25擄C)
鈥?/div>
Typical V
OH
undershoot > 2.3 V (@V
CC
= 3.3 V, Ta = 25擄C)
鈥?/div>
Output current
鹵8
mA (@V
CC
= 3.0 V to 3.6 V),
鹵16
mA (@V
CC
= 4.5 V to 5.5 V)
Function Table
Inputs
OE
L
L
H
Note: H:
L:
X:
Z:
High level
Low level
Immaterial
High impedance
A
H
L
X
Output Y
H
L
Z

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